Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9841103 | Metal gasket | Takeshi Watanabe, Isao Tanji, Shinya Nakaoka | 2017-12-12 |
| 9726290 | Seal structure using metal gasket | Shinya Nakaoka, Masaru Ito, Isao Tanji, Takanori Anzai, Shota Toma | 2017-08-08 |